798798 has 96 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 181440.

The previous prime is 798781. The next prime is 798799. The reversal of 798798 is 897897.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 798798.

It is not an unprimeable number, because it can be changed into a prime (798799) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42033 + ... + 42051.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2⁷⁹⁸⁷⁹⁸ is an apocalyptic number.

798798 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 798798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149120).

798798 is an abundant number, since it is smaller than the sum of its proper divisors (1499442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

798798 is a wasteful number, since it uses less digits than its factorization.

798798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 55 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 798798 is about 893.7549999860. The cubic root of 798798 is about 92.7852601193.

Subtracting 798798 from its reverse (897897), we obtain a palindrome (99099).

It can be divided in two parts, 798 and 798, that added together give a triangular number (1596 = T₅₆).

The spelling of 798798 in words is "seven hundred ninety-eight thousand, seven hundred ninety-eight".